Home / 126,392.67-174,431.07-72,694.53

Finding the Fourth Proportional to 126,392.67, 174,431.07 and 72,694.53

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Solution

The fourth proportional to 126,392.67, 174,431.07 and 72,694.53 is: 100,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,392.67 : 174,431.07 = 72,694.53 : x
  2. Step 2: Convert to fraction form
    126,392.67/174,431.07 = 72,694.53/x
  3. Step 3: Cross multiply
    126,392.67x = 174,431.07 × 72,694.53
  4. Step 4: Simplify right side
    126,392.67x = 12,680,184,651.05
  5. Step 5: Solve for x
    x = 12,680,184,651.05/126,392.67
  6. Step 6: Final answer
    x = 100,323.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.